From 5c774a3a1caa1a90d20483b1b14148b04b0d33e9 Mon Sep 17 00:00:00 2001
From: Thomas Klaehn <thomas.klaehn@perinet.io>
Date: Mon, 29 Jul 2019 12:23:49 +0200
Subject: [PATCH] gpio_sys: simplify api.

---
 inc/gpio_sys.h | 9 ++-------
 src/gpio.c     | 2 +-
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/inc/gpio_sys.h b/inc/gpio_sys.h
index 3946a17..19cf63e 100644
--- a/inc/gpio_sys.h
+++ b/inc/gpio_sys.h
@@ -1,11 +1,6 @@
 #ifndef __GPIO_SYS__
 #define __GPIO_SYS__
 
-enum direction {
-    IN = 0,
-    OUT
-};
-
 enum pin_state {
     LOW = 0,
     HIGH
@@ -13,12 +8,12 @@ enum pin_state {
 
 struct gpio_sys {
     int pin;
-    enum direction direction;
+    int direction;
 };
 
 int gpio_open(const struct gpio_sys *gpio);
 int gpio_close(const struct gpio_sys *gpio);
-int gpio_direction(struct gpio_sys *gpio, enum direction direction);
+int gpio_direction(struct gpio_sys *gpio, int direction);
 int gpio_read(const struct gpio_sys *gpio);
 int gpio_write(const struct gpio_sys *gpio, int value);
 
diff --git a/src/gpio.c b/src/gpio.c
index 4795c5e..ec47b9e 100644
--- a/src/gpio.c
+++ b/src/gpio.c
@@ -58,7 +58,7 @@ int gpio_close(const struct gpio_sys *gpio)
     return 0;
 }
 
-int gpio_direction(struct gpio_sys *gpio, enum direction direction)
+int gpio_direction(struct gpio_sys *gpio, int direction)
 {
     int res;